Discover how to build your own DIY laser pointer that connects to your smartphone's headphone jack and is controlled via an app. This step-by-step guide covers preparing the audio jack, soldering the ...

The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you ...

For all you evil villains in the making, here's a high-tech weapon you can add to your garage arsenal of toys to take over the world with. It's super cool, it works, and we're not actually sure how ...